Home / 14,148.62-19,526.42-8,179.94

Finding the Fourth Proportional to 14,148.62, 19,526.42 and 8,179.94

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Solution

The fourth proportional to 14,148.62, 19,526.42 and 8,179.94 is: 11,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.62 : 19,526.42 = 8,179.94 : x
  2. Step 2: Convert to fraction form
    14,148.62/19,526.42 = 8,179.94/x
  3. Step 3: Cross multiply
    14,148.62x = 19,526.42 × 8,179.94
  4. Step 4: Simplify right side
    14,148.62x = 159,724,866.83
  5. Step 5: Solve for x
    x = 159,724,866.83/14,148.62
  6. Step 6: Final answer
    x = 11,289.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.